Cord lock



FIG. 1 is a perspective view of a cord lock showing my new design;

FIG. 2 is a front elevational view thereof,

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cord lock, as shown and described herein. 